﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace AAA.Base.Util.Pattern
{
    public interface IObservable
    {
        void AddObserver(IObserver observer);
        void RemoveObserver(IObserver observer);
        void RemoveAll();
        void Notify(object oMessage);
    }
}
